Friday, December 16, 2016

[Avid-L2] Epic 5K 4800x2700 5K Footage and Frame Flex for Transcode?

 

On my Red 4K 4096x2160 project of course the second shoot was shot at 5K 16:9 not 1.9 Aspect Ratio.  I ama link to the media and I set frame flex to 1.9:1 from the default of 16:9 for the media.  I am transcoding to DNxHRHQX using Camera Metadata and a Full Range to Legal Scaler along with the aforementioned Frame Flex setting.  I am not baking anything in on the transcode.  I just started the process but I'm curious will the resulting DNxHRHQX transcodes be 4096x2160 or will the maintain the original 4800x2700 pixel count.  We have done a similar approach on some other odd frame sizes but I haven't seen the results in online yet.  I do know on the other clips for offline when we didn't bake in the frame flex the resulting offline DNX 36 clips still displayed the full frame pixels for the odd sized clips.  I assume that will allow for a proper online conform as the frame flex parameters they might apply in offline will properly translate to online sequence.  My limited experience in this area suggests that if we bake in the frame flex it will lose track of the original medias odd frame sizes.

Can anyone clarify the workflow with Red or any other camera that shoots in odd frame sizes?
 
John Moore Barking Trout Productions Studio City, CA bigfish@pacbell.net

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Posted by: John Moore <bigfish@pacbell.net>
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this is the Avid-L2

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